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5
Reproduce DVD-REF-A1 Title 2 Chapters19 (1000 IRE color bars)
Monitor the output with the oscilloscope, by setting the Y, Cb and Cr signal to a GNDV1 reference.
Set the Trigger mode to the TV trigger, and the Trigger line to line-150.
Verification location 1
No.
(Sensing pin)
2
Y
3
Cb
4
Cr
If the result is not satisfactory, check to see if there are any problems with resin flux cored solder and other
defects in the applicable line, vicinity of major parts stated in the above diagram and peripheral components.
Y signal
Cb signal
Cr signal
Side A
GNDV1
Cr
Cb
Y
COMPO
5
6
Rated value
1 000 mVpp
700 mVpp
7 %
700 mVpp
7 %
100 % Color Bars signal
Fig.12.4 : Component 100 % Color Bars output wave
Fig.12.5 : VIDEO signal check point
AVH-P7800DVD/UC
6
7
Reference waveform
5 %
Waveform 7
Waveform 7
Waveform 7
Peak
Rated value
Bottom
Peak
Rated value
Bottom
Peak
Rated value
Bottom
7
8
A
B
C
D
E
F
203
8
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